#51D18E#51D18E

#51D18E is a light, vivid green. Relative luminance 0.493; OKLCH L 77.2% C 0.149 H 157.1°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51D18E
RGB	rgb(81, 209, 142)
HSL	hsl(149, 58%, 57%)
HSV	hsv(149, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 32.1%, 18%)
CIE-LAB	lab(75.64, -50.54, 23.03)
CIE-LCH	lch(75.64, 55.54, 155.51°)
OKLab	oklab(77.24% -0.1375 0.0582)
OKLCH	oklch(77.24% 0.149 157.1)
XYZ	xyz(31.0735, 49.3001, 33.4642)
Luminance	0.4930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D18E #D15194

analogous

#54D151 #51D18E #51D1CE

triadic

#51D18E #8E51D1 #D18E51

tetradic

#51D18E #5154D1 #D15194 #D1CE51

square

#51D18E #5154D1 #D15194 #D1CE51

split-complementary

#51D18E #CE51D1 #D15154

monochromatic

#238552 #30B56F #51D18E #81DEAD #B2EBCD

Accessibility & contrast

On white

1.93

#51D18E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#51D18E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D18E

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D18E	#FFFFFF	#000000	##000000
##51D18E	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C28A

Deuteranopia (green-blind)

#BEB592

Tritanopia (blue-blind)

#12CFBF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d18e;
/* rgb */ color: rgb(81, 209, 142);
/* oklch */ color: oklch(77.2% 0.149 157.1);

Tailwind

colors: {
  custom: {
    50: '#8ee0af',
    500: '#51d18e',
    950: '#000000',
  },
}

SCSS

$custom: #51d18e;
$custom-light: #8ee0af;
$custom-dark: #000000;

JSON

{
  "hex": "#51d18e",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 142
  },
  "hsl": {
    "h": 148.594,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.77244,
    "c": 0.14934,
    "h": 157.1
  },
  "luminance": 0.49303
}

Semantic roles & 50–950 ramp

primary

#51D18E

secondary

#D9A5C0

accent

#4698E1

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51D18E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →